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ipa: rpi: awb: Disable CT search bias for Grey World AWB

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If grey world AWB is setup in the tuning file, the CT curve will either
be missing or invalid. Disable biasing the statistics for the search in
such cases.

Fixes: ea8fd63d93 ("ipa: rpi: awb: Add a bias to the AWB search")
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2024-11-19 10:14:52 +00:00 • committed by Kieran Bingham
parent d5217b1602
commit 934bbfce24
1 changed files with 3 additions and 2 deletions
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5
src/ipa/rpi/controller/rpi/awb.cpp
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@ -459,10 +459,11 @@ void Awb::prepareStats()
* LSC has already been applied to the stats in this pipeline, so stop
* any LSC compensation. We also ignore config_.fast in this version.
*/
const double biasCtR = config_.bayes ? config_.ctR.eval(config_.biasCT) : 0;
const double biasCtB = config_.bayes ? config_.ctB.eval(config_.biasCT) : 0;
generateStats(zones_, statistics_, config_.minPixels,
config_.minG, getGlobalMetadata(),
config_.biasProportion, config_.ctR.eval(config_.biasCT),
config_.ctB.eval(config_.biasCT));
config_.biasProportion, biasCtR, biasCtB);
/*
* apply sensitivities, so values appear to come from our "canonical"
* sensor.